This sound is generally used online as a cute, exaggerated roar for anime-style edits rather than as a widely credited quote from one specific series. Short clips like this spread through meme videos, fan edits and reaction posts because they communicate mock ferocity in seconds. Creators keep using it when they want a tiny character, pet or streamer moment to feel dramatic but still adorable. Its appeal comes from that contrast: it sounds like a roar, but the overall tone stays light, silly and expressive.